CN213073125U - Test system of vehicle-mounted networking terminal - Google Patents
Test system of vehicle-mounted networking terminal Download PDFInfo
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- CN213073125U CN213073125U CN202022345970.9U CN202022345970U CN213073125U CN 213073125 U CN213073125 U CN 213073125U CN 202022345970 U CN202022345970 U CN 202022345970U CN 213073125 U CN213073125 U CN 213073125U
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Abstract
The embodiment of the utility model discloses a test system of a vehicle-mounted internet terminal, which comprises a test terminal and a positioning system simulator; the test terminal is connected with the positioning system simulator, and the positioning system simulator is connected with the vehicle-mounted networking terminal; the test terminal sends a first test control instruction to the positioning system simulator to test the vehicle-mounted internet connection terminal, the data transmission accuracy of the vehicle-mounted internet connection terminal is tested through the test terminal and the positioning system simulator, the problem that the data transmission accuracy of the vehicle-mounted internet connection terminal cannot be tested is solved, the vehicle-mounted internet connection terminal can be tested only by the test terminal and the positioning system simulator, the operation mode is simple, a large amount of equipment is not needed, space and cost are saved, simulation of all position information can be achieved, the test terminal automatically tests, the human cost is greatly saved while the test coverage range is improved, the test efficiency is improved, and the test accuracy of a full-driving working condition scene can be guaranteed.
Description
Technical Field
The embodiment of the utility model provides a relate to automotive electronics technical field, especially relate to a test system at on-vehicle networking terminal.
Background
The internet of vehicles remote monitoring platform is a branch of intelligent transportation system, and has been widely used by public transportation departments, fleets and individuals all over the world. The remote monitoring platform can track the position of a vehicle in real time, can acquire and report vehicle bus data and fault information in real time based on the vehicle-mounted internet terminal T-BOX, and a fleet manager can manage the driving behavior of a driver through the platform and the driver can check and verify the performance condition of the driven vehicle through the platform. However, when the data collected by the vehicle-mounted internet connection terminal is used for analysis and management at present, whether the data collected by the vehicle-mounted internet connection terminal is accurate or not cannot be judged, and in order to ensure the accuracy of vehicle performance state and driving behavior management, the accuracy of the data collected by the vehicle-mounted internet connection terminal needs to be verified.
SUMMERY OF THE UTILITY MODEL
The utility model provides a test system at on-vehicle networking terminal to the realization is to the accuracy test at on-vehicle networking terminal.
The embodiment of the utility model provides a test system at on-vehicle networking terminal, test system includes: the system comprises a test terminal and a positioning system simulator;
the test terminal is connected with the positioning system simulator, and the positioning system simulator is connected with the vehicle-mounted networking terminal;
and the test terminal sends a first test control instruction to the positioning system simulator to test the vehicle-mounted networking terminal.
The embodiment of the utility model provides a test system of vehicle-mounted networking terminal, which comprises a test terminal and a positioning system simulator; the test terminal is connected with the positioning system simulator, and the positioning system simulator is connected with the vehicle-mounted networking terminal; the test terminal is used for testing the data transmission accuracy of the vehicle-mounted internet connection terminal by sending a first test control instruction to the positioning system simulator, the problem that the data transmission accuracy of the vehicle-mounted internet connection terminal cannot be tested is solved, the vehicle-mounted internet connection terminal can be tested only by the test terminal and the positioning system simulator, the operation mode is simple, a large amount of equipment is not needed, the space and the cost are saved, simulation of all position information can be realized by the positioning system simulator, the test terminal automatically tests, a large amount of workers are not needed, the test coverage range is improved, the labor cost is greatly saved, the test efficiency is improved, and meanwhile the test accuracy of all driving working condition scenes can be guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a test system of a vehicle-mounted internet terminal according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of another testing system for a vehicle-mounted internet terminal according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a test system of a vehicle-mounted internet terminal in a second embodiment of the present invention;
fig. 4 is a schematic structural diagram of another testing system for a vehicle-mounted internet terminal according to a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of a test system of a vehicle-mounted internet terminal in a third embodiment of the present invention;
fig. 6 is a schematic structural diagram of another testing system for a vehicle-mounted internet terminal according to a third embodiment of the present invention;
fig. 7 is a schematic structural diagram of a test system of a vehicle-mounted internet terminal in a fourth embodiment of the present invention;
fig. 8 is a schematic structural diagram of another testing system for a vehicle-mounted internet terminal according to a fourth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is the embodiment of the utility model provides a pair of test system's at on-vehicle networking terminal structural schematic diagram, this embodiment is applicable in the condition of the data transmission accuracy at test on-vehicle networking terminal. The system comprises: a test terminal 11 and a positioning system simulator 12.
The test terminal 11 is connected with the positioning system simulator 12, and the positioning system simulator 12 is connected with the vehicle-mounted internet terminal 13; the test terminal 11 sends a first test control instruction to the positioning system simulator 12 to realize the test of the vehicle-mounted networking terminal 13.
In this embodiment, the test terminal 11 may be understood as a computer device, such as an upper computer, for testing the vehicle networking terminal. A positioning system simulator may be understood as a simulator simulating position data in a global positioning system, such as a GPS simulator. The first test control instruction may be understood as a computer instruction instructing the positioning system simulator to start a simulation job.
When the data transmission accuracy of the vehicle-mounted networking terminal is tested, the test terminal executes an automatic test sequence firstly, and sends a first test control instruction to the test terminal by calling an API (application program interface) opened by the positioning system simulator, and after the positioning system simulator receives the first test control instruction, parameter configuration is carried out firstly, wherein the parameter configuration comprises positioning star number, transmitting power, signal frequency and the like. Loading and configuring the working data of the positioning system simulator according to the positioning data recorded in the actual running process of the vehicle, according to the actual driving route of the whole vehicle, coordinate values of longitude, latitude, elevation and the like are configured, and according to the driving speed of the whole vehicle, the working data of the positioning system simulator is automatically configured at the time interval between adjacent coordinate points, so that the positioning system simulator can perform simulation work to output positioning data, and transmit the positioning data to the vehicle-mounted internet terminal, and the vehicle-mounted internet terminal can package the positioning data according to a self-defined data format after receiving the positioning data, and feeds back to the test terminal, the test terminal reversely analyzes the received data according to the appointed format and compares the data according to the position information actually sent by the positioning system simulator, and automatically generating a test report according to the comparison result, and completing the test of the transmission accuracy when the vehicle-mounted networking terminal transmits the GPS positioning data.
The embodiment of the utility model provides a test system of vehicle-mounted networking terminal, which comprises a test terminal and a positioning system simulator; the test terminal is connected with the positioning system simulator, and the positioning system simulator is connected with the vehicle-mounted networking terminal; the test terminal is used for testing the data transmission accuracy of the vehicle-mounted internet connection terminal by sending a first test control instruction to the positioning system simulator, the problem that the data transmission accuracy of the vehicle-mounted internet connection terminal cannot be tested is solved, the vehicle-mounted internet connection terminal can be tested only by the test terminal and the positioning system simulator, the operation mode is simple, a large amount of equipment is not needed, the space and the cost are saved, simulation of all position information can be realized by the positioning system simulator, the test terminal automatically tests, a large amount of workers are not needed, the test coverage range is improved, the labor cost is greatly saved, the test efficiency is improved, and meanwhile the test accuracy of all driving working condition scenes can be guaranteed.
Further, fig. 2 is a schematic structural diagram of another testing system of a vehicle-mounted internet terminal provided by the embodiment of the present invention, the system includes: a test terminal 21, a positioning system simulator 22 and a data transmission terminal 23.
The data transmission terminal 23 is connected to the test terminal 21 and the vehicle-mounted internet terminal 24, respectively, and is used as an information transfer interface to transfer the interactive information between the test terminal and the vehicle-mounted internet terminal.
In this embodiment, the data transmission terminal 23 may be understood as a computer device capable of performing data transmission and forwarding, for example, a device deploying a virtual server. The interaction information may be positioning data, bus data, etc. And after receiving the interactive information sent by the vehicle-mounted networking terminal, the data transmission terminal forwards the interactive information to the test terminal to complete information interaction between the test terminal and the vehicle-mounted networking terminal. The data transmission terminal can also store the interactive information and send the data to the test terminal when the test terminal needs the data, so that the insufficient space caused by the fact that the test terminal stores a large amount of information is avoided. And the situations that the test terminal fails, data is lost and data cannot be acquired are avoided.
Further, the data transmission terminal is connected with a communication antenna of the vehicle-mounted networking terminal through the base station so as to realize the connection between the data transmission terminal and the vehicle-mounted networking terminal.
When the vehicle-mounted terminal communicates with the data transmission system, the vehicle-mounted terminal firstly sends interaction information to the base station through a communication antenna (for example, a 4G antenna), and the base station sends the interaction information to the data transmission terminal through a public land network. The data transmission efficiency is improved by transmitting the interactive information through the data transmission terminal and the base station.
Example two
Fig. 3 is a schematic structural diagram of a test system of a vehicle-mounted internet terminal according to an embodiment of the present invention. The technical solution of this embodiment is further refined on the basis of the above technical solution, and the system further includes: the controller area network CAN bus simulation device 32, the CAN bus simulation device 32 is respectively connected with the test terminal 31 and the vehicle-mounted networking terminal 33;
the test terminal 31 sends a second test control instruction to the CAN bus emulation device 32 to realize the test of the vehicle-mounted networking terminal 33.
In this embodiment, the controller area network CAN bus simulation device may be understood as a device that performs simulation analysis test on a CAN bus, and may display a message, such as Kvaser CanKing, on the CAN bus. The second test control command may be understood as a command that CAN be recognized and executed by a computer, and is used for instructing the CAN bus simulation apparatus to perform a simulation experiment.
When the data transmission accuracy of the vehicle-mounted networking terminal is tested, the test terminal firstly executes an automatic test sequence, sends a second test control instruction to the CAN bus simulation device, calls the CAN bus simulation device to complete network initialization, configures a network topology structure according to a test vehicle type network framework, simulates ECU (electronic control unit) bus data in the network structure according to the type of the working condition of the whole vehicle, and sends the ECU bus data to the vehicle-mounted networking terminal through a CAN channel, wherein the type of the working condition of the whole vehicle CAN comprise starting, accelerating, gear shifting, climbing, braking and the like. The vehicle-mounted networking terminal collects bus data of all paths in real time according to a fixed period and packages the data according to a bus collection data processing strategy, wherein the bus collection data processing strategy covers effective value data processing and abnormal data processing modes, the effective value data comprises a minimum value, an effective value and a maximum value, the abnormal data comprises a range exceeding the effective value, short break and long break of the bus data and the like, the test terminal compares the analyzed data with an expected bus data value by obtaining various working condition CAN network data sent by the vehicle-mounted networking terminal, and automatically outputs a test report according to a comparison result to finish testing the transmission accuracy when the vehicle-mounted networking terminal transmits the CAN data.
Further, fig. 4 is a schematic structural diagram of another testing system of a vehicle-mounted internet terminal provided by the embodiment of the present invention, the system includes: a test terminal 41, a CAN bus emulation device 42 and a data transmission terminal 43.
The data transmission terminal 43 is connected to the test terminal 41 and the vehicle-mounted internet terminal 44, respectively, and is used as an information transfer interface to transfer the interactive information between the test terminal and the vehicle-mounted internet terminal.
Further, the data transmission terminal is connected with a communication antenna of the vehicle-mounted networking terminal through the base station so as to realize the connection between the data transmission terminal and the vehicle-mounted networking terminal.
The embodiment of the utility model provides a test system at on-vehicle networking terminal, data transmission accuracy to on-vehicle networking terminal is tested through test terminal and CAN bus emulation device, the problem of the unable test of on-vehicle networking terminal data transmission accuracy has been solved, only need test terminal and CAN bus emulation device just CAN test on-vehicle networking terminal, the operation is simple, do not need a large amount of equipment, save space and cost, CAN realize the emulation to each way CAN bus data through CAN bus emulation device, test terminal tests automatically, do not need a large amount of staff, when improving test coverage, the human cost has been practiced thrift greatly, and the efficiency of software testing is improved, CAN guarantee the test accuracy degree of the driving condition scene entirely simultaneously, and the efficiency of data transmission is improved.
EXAMPLE III
Fig. 5 is the utility model provides a third structural schematic diagram who provides a test system at on-vehicle networking terminal, the technical scheme of this embodiment further refines on above-mentioned technical scheme's basis, and this system includes: a test terminal 51, a positioning system simulator 52 and a CAN bus simulator 53.
The test terminal 51 is respectively connected with the positioning system simulator 52 and the CAN bus simulation device 53, and the positioning system simulator 52 and the CAN bus simulation device 53 are respectively connected with the vehicle-mounted internet terminal 54;
the test terminal 51 sends a third test control instruction to the positioning system simulator 52 and the CAN bus simulator 53 to test the vehicle-mounted internet terminal 54.
In this embodiment, the third test control instruction may be understood as a computer instruction that CAN be recognized and executed by a computer and is used for instructing the positioning system simulator and the CAN bus simulator to perform a simulation experiment.
The transmission accuracy test of the vehicle-mounted internet terminal when the driving behavior data is transmitted is realized through the positioning system simulator and the CAN bus simulation device. When in testing, the testing terminal firstly executes a corresponding automatic testing script according to a driving behavior event to be tested, sends a third testing control instruction to the CAN bus simulation device, calls the CAN bus simulation device to send bus data related to the driving behavior event judgment triggering condition to the vehicle-mounted internet terminal, meanwhile, the test terminal sends a third test control instruction to the positioning system simulator, the vehicle-mounted internet terminal packages the GPS positioning data obtained by adding event information together according to an agreed protocol when judging the triggering of the driving behavior event, and the driving behavior events comprise an emergency acceleration event, an overspeed event, an event of too long parking and idling time, fatigue driving and the like, the test terminal analyzes and judges according to data fed back by the vehicle-mounted network connection terminal, automatically generates a test result report, and completes the test of the transmission accuracy when the vehicle-mounted network connection terminal transmits the driving behavior analysis data.
Further, the test terminal 51 is connected to the CAN bus emulation device 53 through a universal serial bus USB interface.
Further, the positioning system simulator 52 is connected to the positioning system antenna interface of the in-vehicle internet terminal 54 through a radio frequency cable.
Further, fig. 6 is a schematic structural diagram of another testing system of a vehicle-mounted internet terminal provided by the embodiment of the present invention, the system includes: the device comprises a test terminal 61, a positioning system simulator 62, a CAN bus simulator 63 and a data transmission terminal 64.
The data transmission terminal 64 is connected to the test terminal 61 and the vehicle-mounted internet terminal 65, respectively, and is used as an information transfer interface for transferring the interactive information between the test terminal and the vehicle-mounted internet terminal.
Further, the data transmission terminal is connected with a communication antenna of the vehicle-mounted networking terminal through the base station so as to realize the connection between the data transmission terminal and the vehicle-mounted networking terminal.
The embodiment of the utility model provides a test system at on-vehicle networking terminal, through test terminal, positioning system emulation appearance and CAN bus emulation device test the data transmission accuracy at on-vehicle networking terminal, the problem of the unable test of on-vehicle networking terminal data transmission accuracy has been solved, the operation is simple, do not need a large amount of equipment, save space and cost, CAN realize the emulation to each way CAN bus data and the locating data that corresponds through CAN bus emulation device and positioning system emulation appearance, test terminal tests automatically, do not need a large amount of staff, when improving test coverage scope, the human cost has been practiced thrift greatly, and the efficiency of software testing is improved, CAN guarantee the test accuracy degree of full driving condition scene simultaneously, and the efficiency of data transmission is improved.
Example four
Fig. 7 is the utility model provides a fourth structural schematic diagram who provides a test system at on-vehicle networking terminal, the technical scheme of this embodiment further refines on above-mentioned technical scheme's basis, and this system includes: a test terminal 71, a positioning system simulator 72, a CAN bus simulator 73 and a programmable power supply 74.
The programmable power supply 74 is connected to the test terminal 71 and the vehicle-mounted internet connection terminal 75 respectively, and is configured to supply power to the vehicle-mounted internet connection terminal 75.
The programmable power supply supplies power to the vehicle-mounted networking terminal 75 after receiving the first test control instruction, the second test control instruction or the third test control instruction sent by the test terminal.
Exemplarily, fig. 8 is another testing system for a vehicle-mounted internet terminal provided by an embodiment of the present invention, the system includes: a test terminal 81, a positioning system simulator 82, a CAN bus simulation device 83, a programmable power supply 84 and a data transmission terminal 85.
The test terminal 81 is connected with a positioning system simulator 82, a program control power supply 84 and a data transmission terminal 85 through network cable interfaces respectively, and is connected with a CAN bus simulation device 83 through a USB interface, the other end of the program control power supply 84 is connected with a power supply interface of a vehicle-mounted networking terminal 86 through a power line, the other end of the positioning system simulator 82 is connected with a positioning system antenna interface (GPS antenna interface) built in the vehicle-mounted networking terminal 86 through a radio frequency cable, the other end of the CAN bus simulation device 83 is connected with a CAN communication interface of the vehicle-mounted networking terminal 86 through a CAN transmission line, the data transmission terminal 85 is connected with a mobile cellular base station through a public land network, and the mobile cellular base station is connected with a communication antenna (4G antenna) of the vehicle-mounted networking terminal through a 4.
The embodiment of the utility model provides a test system at on-vehicle networking terminal, through test terminal, positioning system emulation appearance, CAN bus emulation device, programmable power supply and data transmission terminal test the data transmission accuracy at on-vehicle networking terminal, the unable problem of testing of on-vehicle networking terminal data transmission accuracy has been solved, the operating mode is simple, test automatically, when improving test coverage scope, the human cost has been practiced thrift greatly, the efficiency of software testing is improved, CAN guarantee the test accuracy of full driving condition scene simultaneously, through the mutual information at data transmission terminal transfer test terminal and on-vehicle networking terminal, the efficiency of data transmission is improved.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (8)
1. The utility model provides a test system of on-vehicle networking terminal which characterized in that includes: the system comprises a test terminal and a positioning system simulator;
the test terminal is connected with the positioning system simulator, and the positioning system simulator is connected with the vehicle-mounted networking terminal;
and the test terminal sends a first test control instruction to the positioning system simulator to test the vehicle-mounted networking terminal.
2. The system of claim 1, further comprising a Controller Area Network (CAN) bus emulation device, the CAN bus emulation device being connected to the test terminal and the on-board networking terminal, respectively;
and the test terminal sends a second test control instruction to the CAN bus simulation device to realize the test of the vehicle-mounted networking terminal.
3. The system of claim 2, wherein the test terminal is connected with the positioning system simulator and the CAN bus simulation device respectively, and the positioning system simulator and the CAN bus simulation device are connected with the vehicle-mounted networking terminal respectively;
and the test terminal sends a third test control instruction to the positioning system simulator and the CAN bus simulation device to realize the test of the vehicle-mounted networking terminal.
4. The system according to claim 2 or 3, characterized in that the test terminal is connected with the CAN bus emulation device via a Universal Serial Bus (USB) interface.
5. The system according to claim 1 or 3, wherein the positioning system simulator is connected with the positioning system antenna interface of the vehicle-mounted networking terminal through a radio frequency cable.
6. The system according to any one of claims 1 to 3, further comprising a data transmission terminal, wherein the data transmission terminal is respectively connected to the test terminal and the vehicle-mounted networking terminal, and is configured to serve as an information transfer interface for transferring the interaction information between the test terminal and the vehicle-mounted networking terminal.
7. The system according to claim 6, wherein the data transmission terminal is connected with the communication antenna of the vehicle-mounted networking terminal through a base station to realize the connection between the data transmission terminal and the vehicle-mounted networking terminal.
8. The system according to any one of claims 1 to 3, further comprising a programmable power supply, wherein the programmable power supply is respectively connected with the test terminal and the vehicle-mounted networking terminal and is used for supplying power to the vehicle-mounted networking terminal.
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| CN202022345970.9U CN213073125U (en) | 2020-10-20 | 2020-10-20 | Test system of vehicle-mounted networking terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114826992A (en) * | 2022-04-08 | 2022-07-29 | 南京芯驰半导体科技有限公司 | Vehicle-mounted gateway Ethernet self-testing system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114826992A (en) * | 2022-04-08 | 2022-07-29 | 南京芯驰半导体科技有限公司 | Vehicle-mounted gateway Ethernet self-testing system and method |
| CN114826992B (en) * | 2022-04-08 | 2023-10-31 | 南京芯驰半导体科技有限公司 | Ethernet self-test system and method for vehicle-mounted gateway |
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